#4027AD#4027AD

#4027AD is a dark, vivid violet. Relative luminance 0.056; OKLCH L 40.3% C 0.197 H 281.4°. Best body text is #FFFFFF at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#4027AD
RGB	rgb(64, 39, 173)
HSL	hsl(251, 63%, 42%)
HSV	hsv(251, 77%, 68%)
CMYK	cmyk(63%, 77.5%, 0%, 32.2%)
CIE-LAB	lab(28.27, 48.19, -66.98)
CIE-LCH	lch(28.27, 82.51, 305.73°)
OKLab	oklab(40.3% 0.0391 -0.1932)
OKLCH	oklch(40.3% 0.197 281.4)
XYZ	xyz(10.3803, 5.5574, 40.0527)
Luminance	0.0556 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4027AD #94AD27

analogous

#2751AD #4027AD #8327AD

triadic

#4027AD #AD4027 #27AD40

tetradic

#4027AD #AD2751 #94AD27 #27AD83

square

#4027AD #AD2751 #94AD27 #27AD83

split-complementary

#4027AD #AD8327 #51AD27

monochromatic

#1B1049 #2E1C7B #4027AD #5A3ED3 #8470DF

Accessibility & contrast

On white

9.95

#4027AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#4027AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #4027AD

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4027AD	#FFFFFF	#000000	##FFFFFF
##4027AD	1.00	9.95	2.11	9.95
#FFFFFF	9.95	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047B1

Deuteranopia (green-blind)

#003EAB

Tritanopia (blue-blind)

#004E69

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #4027ad;
/* rgb */ color: rgb(64, 39, 173);
/* oklch */ color: oklch(40.3% 0.197 281.4);

Tailwind

colors: {
  custom: {
    50: '#8365c7',
    500: '#4027ad',
    950: '#000000',
  },
}

SCSS

$custom: #4027ad;
$custom-light: #8365c7;
$custom-dark: #000000;

JSON

{
  "hex": "#4027ad",
  "rgb": {
    "r": 64,
    "g": 39,
    "b": 173
  },
  "hsl": {
    "h": 251.194,
    "s": 63.208,
    "l": 41.569
  },
  "oklch": {
    "l": 0.40304,
    "c": 0.19716,
    "h": 281.4
  },
  "luminance": 0.05558
}

Semantic roles & 50–950 ramp

primary

#4027AD

secondary

#B4C66A

accent

#E642C8

background

#F8F6FC

surface

#F0EBF8

border

#CBC6D1

text

#0C0613

muted

#7D7A82

Preview Lab

Preview with #4027AD

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →